The majority of additions to the legacy Rfo-Basic are hBasic original unless indicated in the section of the manual or below. Many thanks go to the following;

Paul Laughton.

Orignal Rfo-Basic (De Re Basic) for Android.

jMarc.

Rfo-Basic 01.91 former forum admin and main developer

mougino.

Rfo-Basic former developer (apk makers & software)

Stefano

Rfo-Basic former developer (apk maker & software) for linux
x-quick-apk

aFox

Rfo-Basic current forum admin and developer
(fixes & ideas)

Forum members

Spike, dkal, daveacre, hallesaale, Joel_Zerpa, Alberto, Cassiope34 ...
(fixes & ideas)

Commonsware (Mark Murphy).

CWAC document - DocumentFileCompat
A replacement library class to support Storage Access Framework.
Apache License, Version 2.0.

@MoStueck

ftp server code for built-in hFTP server.

Artworks

Caveman sprite by Hapiel CC-BY 3.0 (opengameart.org)

Starburst animation by Kelyn Crandall  CC-BY-SA 4.0 (kelync.itch.io)